“Community Composition Of Top Soil Collembola In The Land Application Area Of Liquid Waste Oil Palm Plantation Factory Simpang Kanan District Rokan Hilir Regency”. International Journal of Ecophysiology 3, no. 2 (November 16, 2022): 162–172. Accessed February 5, 2026. https://idjpcr.usu.ac.id/ijoep/article/view/10093.